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Dyfyniad APA
Zhongguo ke xue yuan, ebrary, Inc, Yu, T. R., & Ji, G. L. (1997). Chemistry of variable charge soils. Oxford University Press.
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Dyfyniad Arddull Chicago
Zhongguo ke xue yuan, Inc ebrary, T. R. Yu, and G. L. Ji. Chemistry of Variable Charge Soils. New York: Oxford University Press, 1997.
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Dyfyniad MLA
Zhongguo ke xue yuan, et al. Chemistry of Variable Charge Soils. Oxford University Press, 1997.
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